Depth limits of breath hold diving (an example of Fennology).
D001775:Blood Circulation / Q000502:physiology; D004242:Diving; D006801:Humans; D008168:Lung / Q000502:physiology; D008170:Lung Compliance; D011312:Pressure; D012119:Respiration; D013147:Spirometry; D013909:Thorax / Q000503:physiopathology